Home / 7,109.91-10,667.62-2,948.85

Finding the Fourth Proportional to 7,109.91, 10,667.62 and 2,948.85

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Solution

The fourth proportional to 7,109.91, 10,667.62 and 2,948.85 is: 4,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.91 : 10,667.62 = 2,948.85 : x
  2. Step 2: Convert to fraction form
    7,109.91/10,667.62 = 2,948.85/x
  3. Step 3: Cross multiply
    7,109.91x = 10,667.62 × 2,948.85
  4. Step 4: Simplify right side
    7,109.91x = 31,457,211.24
  5. Step 5: Solve for x
    x = 31,457,211.24/7,109.91
  6. Step 6: Final answer
    x = 4,424.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.